equally good and bad, likely and unlikely, favorable and unfavorable, etc.: a fifty-fifty chance of winning.
in an evenly or equally divided way: The board voted fifty-fifty on the merger.
go fifty-fifty (on), to share equally in the cost, responsibility, or profits (of): We went fifty-fifty on the dinner check.
Also, 50-50.

1910–15, Americanism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To fifty-fifty
World English Dictionary
adj, —adv
informal shared or sharing equally; in equal parts

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Idioms & Phrases


see under under go halves.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
Cite This Source
Example sentences
In each case, one of the options would be a fifty-fifty bet and the other would
  be a sure thing.
They offered to run the parties for me if we'd split fifty-fifty.
He had a fifty-fifty chance of guessing right and, as happens half the time in
  such cases, was wrong.
Brown did not agree with this proposal and thought the compensation structure
  should remain fifty-fifty.
Idioms & Phrases
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature